# Closed trauma involving internal organs, major blood vessels at Mammoth Contracting LLC
> OSHA SIR `2025032477` · 3/15/2025 · HARKER HEIGHTS, TEXAS
## Severity
- **1 hospitalization**
- **Body part:** Multiple internal chest locations
- **Nature of injury:** Closed trauma involving internal organs, major blood vessels
## Cause
- **Event:** Other fall to lower level  6 to 30 feet
- **Source:** Roof surface
- **Secondary source:** Tarps, liners, wraps
## Employer
- **Name:** Mammoth Contracting LLC
- **Location:** 1200 Lancelot Drive, HARKER HEIGHTS, TEXAS, 76548
- **NAICS:** 238160
- **Jurisdiction:** 1
## Narrative

On March 15, 2025, an employee was inspecting the roof of a one-story home. The employee was about to climb down the ladder from the roof when they slipped on felt paper and fell to the ground. The employee was hospitalized with six broken ribs, a broken collarbone, and a punctured lung.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*